Wireless audio speaker



FIG. 1 is a front perspective view of a wireless audio speaker showing our new design;

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a top plan view thereof. 

We claim the ornamental design for a wireless audio speaker, as shown and described. 